first cut of building out a list of employees using the valid API

this is built off of combine to deal with the state changes of the ViewModel.

Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

EmployeeDirectory/ViewControllers/EmployeesViewController.swift

@@ -6,14 +6,53 @@
 //
 
 import UIKit
+import Combine
 
 class EmployeesViewController: UIViewController {
+    private let tableView = UITableView()
+    private let viewModel = EmployeesViewModel()
+    private var cancellables = Set<AnyCancellable>()
 
-    override func viewDidLoad() {
+    public override func viewDidLoad() {
         super.viewDidLoad()
-        // Do any additional setup after loading the view.
+        setupUI()
+        bindViewModel()
+        viewModel.fetchEmployees()
     }
     
+    private func setupUI() {
+        view.backgroundColor = .white
         
+        // Configure TableView
+        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
+        tableView.dataSource = self
+        
+        view.addSubview(tableView)
+        tableView.frame = view.bounds
+        
+    }
+    
+    private func bindViewModel() {
+        viewModel.$employees
+            .receive(on: RunLoop.main)
+            .sink { [weak self] _ in
+                self?.tableView.reloadData()
+                self?.tableView.refreshControl?.endRefreshing()
+            }
+            .store(in: &cancellables)
+    }
 }
 
+extension EmployeesViewController: UITableViewDataSource {
+    public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return viewModel.employees.count
+    }
+    
+    public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
+        let employee = viewModel.employees[indexPath.row]
+        cell.textLabel?.text = employee.fullName
+        cell.detailTextLabel?.text = employee.emailAddress
+        return cell
+    }
+}